(x+2.9)-(0.1x+4)=15

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Solution for (x+2.9)-(0.1x+4)=15 equation:


Simplifying
(x + 2.9) + -1(0.1x + 4) = 15

Reorder the terms:
(2.9 + x) + -1(0.1x + 4) = 15

Remove parenthesis around (2.9 + x)
2.9 + x + -1(0.1x + 4) = 15

Reorder the terms:
2.9 + x + -1(4 + 0.1x) = 15
2.9 + x + (4 * -1 + 0.1x * -1) = 15
2.9 + x + (-4 + -0.1x) = 15

Reorder the terms:
2.9 + -4 + x + -0.1x = 15

Combine like terms: 2.9 + -4 = -1.1
-1.1 + x + -0.1x = 15

Combine like terms: x + -0.1x = 0.9x
-1.1 + 0.9x = 15

Solving
-1.1 + 0.9x = 15

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '1.1' to each side of the equation.
-1.1 + 1.1 + 0.9x = 15 + 1.1

Combine like terms: -1.1 + 1.1 = 0.0
0.0 + 0.9x = 15 + 1.1
0.9x = 15 + 1.1

Combine like terms: 15 + 1.1 = 16.1
0.9x = 16.1

Divide each side by '0.9'.
x = 17.88888889

Simplifying
x = 17.88888889

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